Town Hall Address 21 Church St. Vernon, NJ 07462 United States- Sussex County Website http://www.vernontwp.com County Clerk 973-764-4055 Ext. 2238 21 Church St. Vernon, NJ 07462 United States County Admin 973-764-4055 Ext. 2275 21 Church St. Vernon, NJ 07462 United States Assessor 973-764-4055 Ext. 2225 21 Church St. Vernon, NJ 07462 United States Tax Collector 973-764-4055 Ext. 2228 21 Church St. Vernon, NJ 07462 United States Attorney 973-239-5700 21 Church St. Vernon, NJ 07462 United States Mayor 973-764-4055 Ext. 2240 21 Church St. Vernon, NJ 07462 United States Municipal Court 973-764-4737 21 Church St. Vernon, NJ 07462 United States County Sussex